Hand warmer



FIG. 1 is a first perspective view of a hand warmer showing my newdesign;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown in the drawings depict portions of the handwarmer in which the design is embodied that form no part of the claimeddesign.

CLAIM The ornamental design for a hand warmer, as shown and described.